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Evaluating Therapeutic and Chemical Toxicity Using Organ-Cultured Porcine Corneas and Epithelial Wound Healing.
J Vis Exp
January 2025
Departments of Ophthalmology and Anatomy and Cell Biology, Kresge Eye Institute, Wayne State University School of Medicine;
Due to its anatomical and physiological similarities to the human eye, the porcine eye serves as a robust model for biomedical research and ocular toxicity assessment. An air/liquid corneal culture system using porcine eyes was developed, and ex vivo epithelial wound healing was utilized as a critical parameter for these studies. Fresh pig corneas were processed for organ culture, with or without epithelial wounding.
View Article and Find Full Text PDFDifferent keratoconus definitions can lead to substantial prevalence disparities in population-based studies.
Sci Rep
January 2025
Department of Ophthalmology, Erasmus Medical Centre, Rotterdam, The Netherlands.
This report explores the prevalence of keratoconus in a population-based cohort of adults aged 40 or older according to ten different definitions. All Rotterdam Study participants with reliable Pentacam scans and no prior corneal refractive surgery were cross-sectionally analysed (n = 2660). First, we applied a novel evidence-based definition.
View Article and Find Full Text PDFWillingness to donate eyes and associated factors among adults in Addis Ababa City, Ethiopia: a mixed-methods approach.
BMJ Open Ophthalmol
January 2025
Department of Optometry, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
Objective: This study intended to assess willingness to donate eyes and associated factors among adults in Addis Ababa City, Ethiopia.
Methods And Analysis: This study used a triangulated phenomenological mixed-methods design, involving 1293 adults and eight key informants selected through multistage and purposive sampling. Data collection involved a pretested, semistructured questionnaire for quantitative data and an open-ended guiding questionnaire for qualitative insights.
New insights into persistent corneal subepithelial infiltrates following epidemic keratoconjunctivitis: The first case report with ultrastructural and immunohistochemical investigations.
Acta Histochem
January 2025
Section of Anatomy and Histology, Imaging Platform, Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, Florence 50134, Italy. Electronic address:
Epidemic keratoconjunctivitis (EKC) is one of the most severe clinical manifestations of human adenovirus ocular surface infection, which may lead to the formation of subepithelial infiltrates (SEIs) in the anterior corneal stroma in 20-50 % of cases. SEIs may be asymptomatic or give rise to corneal aberrations and visual impairment for months or years after acute infection, despite treatments. Here, we describe the ultrastructural and immunophenotypic features of the anterior corneal stroma of a patient who underwent superficial anterior lamellar keratoplasty (SALK) surgery to remove corneal opacities related to clinically significant and steroid-unresponsive, long-lasting SEIs after adenoviral EKC.
View Article and Find Full Text PDFCase 333: Masson Tumor.
Radiology
January 2025
From the Departments of Radiology (V.K., A.R., P.D.) and Pathology (J.N.), University of Arkansas for Medical Sciences, 4301 W Markham St, Little Rock, AR 72205.
A 61-year-old male patient without prior history of ophthalmologic problems presented with pain and redness in the left eye associated with slowly progressive proptosis over the previous 6 months. The patient also had diplopia in rightward and downward gaze. There was no vision loss.
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